CUPS – Linux Print Service explained

Cups is the print server for Linux (visit this link for information help setting it up.)

CUPS can be configured and monitored using a web interface, which by default is available at http://localhost:631/admin. The web interface can be used to perform all printer management tasks.

In order to perform administrative tasks via the web interface, you must either have the root account enabled on your server, or authenticate as a user in the lpadmin group. For security reasons, CUPS won’t authenticate a user that doesn’t have a password.

To add a user to the lpadmin group, run at the terminal prompt:

sudo usermod -aG lpadmin <yourusername>

After each change in the Cups configuration, restart the service with the command: